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The Antitrust Attorney Blog

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The Paramount–Warner Bros. Deal: What It Signals for Antitrust Merger Review in Consolidating Industries

Author: Sabri Siraj In February 2026, Paramount Global signed a $110 billion agreement to acquire Warner Bros. Discovery, setting the stage for one of the largest media combinations in recent memory. The transaction follows a competitive process that included a proposal from Netflix late last year to merge with Warner…

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Homebuilders in the Crosshairs: Preparing for Possible DOJ Antitrust Scrutiny

Author: Ruth E. Glaeser Federal officials are reportedly considering an antitrust review of major U.S. homebuilders, particularly around how competitors share information through groups like the Leading Builders of America. The Department of Justice has not yet confirmed a formal investigation, but the discussion highlights risks that extend well beyond…

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Ninth Circuit Affirms Robinson-Patman Victory — But Is There Now a Circuit Split?

Authors: Steven Cernak and Cansu Gunel In May 2024, this blog discussed a rare plaintiff victory in a Robinson-Patman case. In February 2026, the Ninth Circuit affirmed that victory in L.A. International Corp. v. Prestige Brands Holdings, Inc. In doing so, the court confirmed our key takeaways from 2024 —…

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Antitrust Lawyers: AI’s Wartime Consiglieres

Author: Pat Pascarella AI will weaponize antitrust. AI markets have high fixed costs, winner-take-all dynamics, platform leverage, bundling power, and data lock-in.  These dynamics predict concentration.  And market concentration is an accelerant for antitrust litigation—both private and government. We saw it with IBM, Microsoft, and the telecom wars. Private actions…

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Key Development in the Nonstatutory Labor Exemption to the Antitrust Law

Author: Steven Cernak U.S. antitrust laws make exceptions for certain actions by employees and employers in the collective bargaining context. The limits of those exemptions are not perfectly clear. Earlier this month, a district court seemed to clarify and expand the so-called nonstatutory exemption for activities by employers. Labor Exemption…

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Banks, Stablecoins, and Base by Coinbase: Fighting for Open Money Without Gatekeepers

Author: Luis Blanquez Congress didn’t set out to redesign money with the Digital Asset Market Clarity Act. Yet that is where the debate has now landed. The bill—intended to end regulation‑by‑enforcement and draw a workable line between SEC and CFTC authority—has stalled because stablecoins force a choice the status quo…

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Germany’s Competition Authority Sanctions Amazon Over Its Control of Seller Pricing on its Marketplace

Author: Luis Blanquez On 5 February 2026, Germany’s competition authority, the Bundeskartellamt, announced a landmark ruling prohibiting Amazon from continuing practices that influenced how independent sellers priced their products on the German Amazon Marketplace. The authority also ordered Amazon to disgorge €59 million in economic benefits that it determined were…

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US Antitrust Agency Publishes Revised HSR Notification Thresholds and Filing Fees For 2026

Authors: Steven Cernak, Luis Blanquez and Kristen Harris. On January 14, 2026, the Federal Trade Commission (FTC) issued its usual annual announcement to increase the Hart-Scott-Rodino (HSR) Act thresholds. The 2026 thresholds will take effect 30 days after publication in the Federal Register. HSR requires the parties to submit certain information…

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Update: Is it Time for Antitrust Lawyers and Private Equity Clients to Pay Attention to Interlocking Directorates and Section 8 of the Clayton Act? The Answer is Still Yes

  Authors:  Steven Cernak and Luis Blanquez Section 8 of the Clayton Act prohibits certain interlocking directorates between competing corporations. But while the prohibition has been around since 1914, most antitrust lawyers pay little attention to it, partly because companies can quickly resolve any issues voluntarily. We first brought Section…